CN202586710U

CN202586710U - High-reliability permanent magnet synchronous linear motor

Info

Publication number: CN202586710U
Application number: CN 201220244478
Authority: CN
Inventors: 易发红; 王晓刚; 曾逸
Original assignee: ADTECH (SHENZHEN) TECHNOLOGY Co Ltd
Current assignee: ADTECH (SHENZHEN) TECHNOLOGY Co Ltd
Priority date: 2012-05-19
Filing date: 2012-05-19
Publication date: 2012-12-05
Anticipated expiration: 2022-05-19

Abstract

The utility model provides a high-reliability permanent magnet synchronous linear motor which includes a rotor and a stator. The stator includes an iron plate, multiple permanent magnets fixed on the iron plate, and press strips. The multiple permanent magnets are orderly fixed on the iron plate in parallel. The press strips are fixedly and mechanically connected with the iron plate. The two ends of each permanent magnet contact with and are interlocked with the press strips. The press strips are provided with first threaded holes and the iron plate is provided with second threaded holes, and the press strips and the iron plate are locked together via screws; small steps on the press strips are buckled on the small steps on the permanent magnets, so the permanent magnets can be fixed reliably. At the same time, the structural characteristics of the permanent magnets in a magnet field scope of the motor do not change, so the original performance of the motor is guaranteed.

Description

A kind of high reliability permanent magnetic linear synchronous motor

Technical field

The utility model relates to a kind of permanent magnetic linear synchronous motor, relates in particular to a kind of high reliability permanent magnetic linear synchronous motor stator.

Background technology

At present, in high-end manufacturing assembly industry since the directly technology of driving that linear electric motors constitute have more high-precision, at a high speed, plurality of advantages such as non-maintaining, be used widely.

Yet; The permanent magnet of general linear electric motors is directly to stick on the iron plate with the glue class, for reaching adhesion strength preferably, permanent magnet and iron plate surface roughness, surface treatment mode and barbola work is all had strict requirement; But understand aged deterioration because of external condition glue classes such as vibration, temperature rises behind the motor long-play; Adhesion strength reduces, and can cause permanent magnet loosening even come off when serious, causes motor to lose efficacy; In patent: ZL200720171148.7 and ZL200720196304.5, have in addition and propose two kinds of fixing frame modes of reinforcement permanent magnet; But the architectural feature of permanent magnet changes in the magnetic field range of motor effect; Therefore Distribution of Magnetic Field also changes, thereby causes the increasing of motor force oscillation and the reduction of efficient.

Therefore under the prerequisite that does not influence linear motor performance, provide a kind of reliable permanent magnet fixing means to seem particularly important.

Summary of the invention

The utility model solves the technical scheme that its technical problem adopted:

A kind of high reliability permanent magnetic linear synchronous motor comprises mover and stator, and said stator comprises: iron plate, the plurality of fixed permanent magnet on iron plate, press strip; Said some permanent magnets stationary arrangement on iron plate that walks abreast in proper order; Said press strip is connected with the iron plate mechanical fixation; Said permanent magnet two ends are connected with press strip interlock contact;

Wherein, said permanent magnet is identical shaped specification;

Wherein, said press strip is non-magnetic conductive metal material;

Wherein, offer first screw hole on the said press strip, offer second screw hole that is complementary with press strip first screw hole on the said iron plate, said press strip is connected through screw with iron plate, and said screw is installed through first screw hole and second screw hole.

Wherein, a small stair is offered at said permanent magnet two ends, and said press strip is offered the small stair with the permanent magnet coupling, and the permanent magnet two ends are connected through small stair interlock contact with press strip.

Beneficial effect: through offering first screw hole on the press strip and on iron plate, offering second screw hole; With screw press strip and said iron plate are locked; And interlock through small stair on the said press strip and the small stair on the permanent magnet simultaneously; Thereby guarantee the secure fixation of permanent magnet, the architectural feature of permanent magnet does not change in the magnetic field range of motor effect simultaneously, and the original performance of motor is guaranteed.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Fig. 1 is the vertical view of the utility model linear motor stator electric.

Fig. 2 is the sketch map of the iron plate of the utility model linear motor stator electric.

Fig. 3 is the permanent magnet of the utility model linear motor stator electric and the sketch map of press strip.

Fig. 4 is the partial schematic diagram of the permanent magnet of the utility model linear motor stator electric.

Fig. 5 is the partial schematic diagram of the press strip of the utility model linear motor stator electric.

Embodiment

Wherein, said permanent magnet is identical shaped specification, is used to guarantee the homogeneity in magnetic field, reaches the even running of linear electric motors;

Wherein, said press strip is non-magnetic conductive metal material, is used for proof strength, and does not influence magnetic circuit;

Embodiment:

Please refer to and read Fig. 1, the utility model linear motor stator electric comprises iron plate 11 and the permanent magnet 22 of plurality of fixed on this iron plate 11 and the press strip 33 at permanent magnet 22 two ends.

Please refer to and read Fig. 3, said permanent magnet 22 is a strip, and permanent magnet 22 two ends are provided with small stair 221.Said press strip 33 be provided with permanent magnet 22 on the small stair 331 that is complementary of small stair 221.Also offer first screw hole 332 on this press strip 33.Said iron plate 11 is provided with second screw hole 111 that is complementary with said first screw hole 332.

When said iron plate 11, permanent magnet 22, when press strip 33 is assembled; Utilizing glue and iron plate 11 to paste said permanent magnet 22 earlier is integral; Lock said press strip 33 and said iron plate 11 with second screw hole 111 on the said iron plate 11 through first screw hole 332 of said press strip 33 with screw the back; Simultaneously, the small stair 221 on small stair on the said press strip 33 331 and the permanent magnet interlocks.

In sum; The utility model linear motor stator electric through offering first screw hole 332 on the press strip 33 and on iron plate 11, offering adjusting screw hole 111, is locked press strip 33 and said iron plate 11 with screw on the gluing basis of tradition; Interlock through the step offered on the said press strip 33 331 and small stair 221 on the permanent magnet 22 simultaneously; Both prevented effectively that permanent magnet was loosening, and guaranteed that simultaneously permanent magnet stage casing architectural feature does not change, thereby make this linear motor stator electric have the reliable fixation structure; Avoided the loosening easily perhaps generation of obscission of permanent magnet, guaranteed that simultaneously motor performance is unaffected.

Although reference implementation example and accompanying drawing; A kind of high reliability permanent magnetic linear synchronous motor to the utility model is illustrated; But above-mentioned disclosed content only is in order better to understand the utility model; Rather than limit the scope of claim by any way, so all according to the described structure of the utility model patent claim, characteristic and principle do etc. change or modify, include protection range in the utility model.

Claims

1. a high reliability permanent magnetic linear synchronous motor comprises mover and stator, it is characterized in that, said stator comprises: iron plate, the plurality of fixed permanent magnet on iron plate, press strip; Said some permanent magnets stationary arrangement on iron plate that walks abreast in proper order; Said press strip is connected with the iron plate mechanical fixation; Said permanent magnet two ends are connected with press strip interlock contact.

2. high reliability permanent magnetic linear synchronous motor according to claim 1, it is characterized in that: said permanent magnet is identical shaped specification.

3. high reliability permanent magnetic linear synchronous motor according to claim 1, it is characterized in that: said press strip is non-magnetic conductive metal material.

4. high reliability permanent magnetic linear synchronous motor according to claim 1; It is characterized in that: offer first screw hole on the said press strip; Offer second screw hole that is complementary with press strip first screw hole on the said iron plate; Said press strip is connected through screw with iron plate, and said screw is installed through first screw hole and second screw hole.

5. high reliability permanent magnetic linear synchronous motor according to claim 1, it is characterized in that: a small stair is offered at said permanent magnet two ends, and said press strip is offered the small stair with the permanent magnet coupling, and the permanent magnet two ends contact through the small stair interlock with press strip and are connected.